na INLIS000000000012049 20140225092712.0 a ||| | 170530| ||| | $a 978-0-393-92443-5 $a 0010-021400000002461 $a 520 $a 16 $a 520 twe t $a Jeff Hester $a 21st Century Astronomy $a Astronomi $a Howard G. Voss $a ARPUS KAB. Magetan $a 54.159-0